drivers/scsi/scsi_debugfs.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/seq_file.h>
   3 #include <scsi/scsi_cmnd.h>
   4 #include <scsi/scsi_dbg.h>
   5 #include "scsi_debugfs.h"
   6
   7 void scsi_show_rq(struct seq_file *m, struct request *rq)
   8 {
   9         struct scsi_cmnd *cmd = container_of(scsi_req(rq), typeof(*cmd), req);
  10         int msecs = jiffies_to_msecs(jiffies - cmd->jiffies_at_alloc);
  11         const u8 *const cdb = READ_ONCE(cmd->cmnd);
  12         char buf[80] = "(?)";
  13
  14         if (cdb)
  15                 __scsi_format_command(buf, sizeof(buf), cdb, cmd->cmd_len);
  16         seq_printf(m, ", .cmd=%s, .retries=%d, allocated %d.%03d s ago", buf,
  17                    cmd->retries, msecs / 1000, msecs % 1000);
  18 }